EP1235297A3 - Combline filter - Google Patents
Combline filter Download PDFInfo
- Publication number
- EP1235297A3 EP1235297A3 EP02251225A EP02251225A EP1235297A3 EP 1235297 A3 EP1235297 A3 EP 1235297A3 EP 02251225 A EP02251225 A EP 02251225A EP 02251225 A EP02251225 A EP 02251225A EP 1235297 A3 EP1235297 A3 EP 1235297A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- notch
- combline filter
- filter
- combline
- rampt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/203—Strip line filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/203—Strip line filters
- H01P1/20327—Electromagnetic interstage coupling
- H01P1/20336—Comb or interdigital filters
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Filters And Equalizers (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2001009656 | 2001-02-26 | ||
KR10-2001-0009656A KR100392682B1 (en) | 2001-02-26 | 2001-02-26 | Radio filter of combline structure with frequency cut off circuit and method |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1235297A2 EP1235297A2 (en) | 2002-08-28 |
EP1235297A3 true EP1235297A3 (en) | 2003-10-08 |
Family
ID=19706252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02251225A Withdrawn EP1235297A3 (en) | 2001-02-26 | 2002-02-22 | Combline filter |
Country Status (4)
Country | Link |
---|---|
US (1) | US6614328B2 (en) |
EP (1) | EP1235297A3 (en) |
JP (1) | JP2002335102A (en) |
KR (1) | KR100392682B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008278360A (en) | 2007-05-02 | 2008-11-13 | Ngk Spark Plug Co Ltd | Laminate type band pass filter and diplexer using the same |
CN103474729A (en) * | 2013-09-29 | 2013-12-25 | 四川九洲电器集团有限责任公司 | Multi-frequency band elimination filter |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60236501A (en) * | 1984-05-10 | 1985-11-25 | Yagi Antenna Co Ltd | Band-pass type filter |
EP0373028A1 (en) * | 1988-11-30 | 1990-06-13 | Thomson Hybrides | Passive band-pass filter |
JPH0878909A (en) * | 1994-09-05 | 1996-03-22 | Matsushita Electric Ind Co Ltd | Laminated filter |
JPH09153704A (en) * | 1995-11-28 | 1997-06-10 | Hitachi Metals Ltd | Dielectric laminated filter |
EP0793289A1 (en) * | 1996-02-27 | 1997-09-03 | Hitachi Metals, Ltd. | Multilayered frequency separator |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3835480A1 (en) * | 1988-10-18 | 1990-04-19 | Fraunhofer Ges Forschung | HIGH FREQUENCY BAND PASS FILTER |
US4963843A (en) * | 1988-10-31 | 1990-10-16 | Motorola, Inc. | Stripline filter with combline resonators |
FI93504C (en) * | 1993-03-03 | 1995-04-10 | Lk Products Oy | Transmission line filter with adjustable transmission zeros |
US6323745B1 (en) * | 1999-09-09 | 2001-11-27 | Qualcomm Inc. | Planar bandpass filter |
-
2001
- 2001-02-26 KR KR10-2001-0009656A patent/KR100392682B1/en not_active IP Right Cessation
-
2002
- 2002-02-22 EP EP02251225A patent/EP1235297A3/en not_active Withdrawn
- 2002-02-25 US US10/080,512 patent/US6614328B2/en not_active Expired - Fee Related
- 2002-02-25 JP JP2002048757A patent/JP2002335102A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60236501A (en) * | 1984-05-10 | 1985-11-25 | Yagi Antenna Co Ltd | Band-pass type filter |
EP0373028A1 (en) * | 1988-11-30 | 1990-06-13 | Thomson Hybrides | Passive band-pass filter |
JPH0878909A (en) * | 1994-09-05 | 1996-03-22 | Matsushita Electric Ind Co Ltd | Laminated filter |
JPH09153704A (en) * | 1995-11-28 | 1997-06-10 | Hitachi Metals Ltd | Dielectric laminated filter |
EP0793289A1 (en) * | 1996-02-27 | 1997-09-03 | Hitachi Metals, Ltd. | Multilayered frequency separator |
Non-Patent Citations (3)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 010, no. 095 (E - 395) 12 April 1986 (1986-04-12) * |
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 07 31 July 1996 (1996-07-31) * |
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 10 31 October 1997 (1997-10-31) * |
Also Published As
Publication number | Publication date |
---|---|
KR20020069405A (en) | 2002-09-04 |
KR100392682B1 (en) | 2003-07-28 |
EP1235297A2 (en) | 2002-08-28 |
US6614328B2 (en) | 2003-09-02 |
JP2002335102A (en) | 2002-11-22 |
US20020171514A1 (en) | 2002-11-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
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AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
17P | Request for examination filed |
Effective date: 20031224 |
|
AKX | Designation fees paid |
Designated state(s): DE FR GB |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: SAMSUNG ELECTRONICS CO., LTD. |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Effective date: 20090211 |